diff --git a/tutorials/3d/standard_material_3d.rst b/tutorials/3d/standard_material_3d.rst
index 42ee7594a..a51c38197 100644
--- a/tutorials/3d/standard_material_3d.rst
+++ b/tutorials/3d/standard_material_3d.rst
@@ -435,6 +435,9 @@ and wider compatibility.
 Bent normal map
 ---------------
 
+*This is only available in the Forward+ and Mobile renderers, not the Compatibility
+renderer.*
+
 A bent normal map describes the average direction of ambient lighting. Unlike a
 regular normal map, this is used to improve how a material reacts to lighting
 rather than add surface detail.